Supersonic plasma jets discovered 23 March 2017
Supersonic plasma jets discovered 23 March 2017 Information from ESA’s magnetic field Swarm mission has led to the discovery of supersonic plasma jets high up in our atmosphere that can push temperatures up to almost 10 000°C.
Swarm detects asymmetry22 March 2017
Swarm detects asymmetry22 March 2017 Strong electric currents in the upper atmosphere are known to vary according to the season, but ESA’s Swarm mission has discovered that this seasonal variation is not the same in the north and south polar regions.
Unravelling Earth’s magnetic field21 March 2017
Unravelling Earth’s magnetic field21 March 2017 ESA’s Swarm satellites are seeing fine details in one of the most difficult layers of Earth’s magnetic field to unpick – as well as our planet’s magnetic history imprinted on Earth’s crust.
To the Arctic for CryoSat and beyond20 March 2017
To the Arctic for CryoSat and beyond20 March 2017 After the relative quiet of the long dark winter months, the Arctic will be a tad busier over the coming weeks as numerous researchers descend on this harsh, yet fragile environment. Their aim is not to disturb its beauty, but to join forces in an all...
Glitter helps to monitor ocean waves20 March 2017
Glitter helps to monitor ocean waves20 March 2017 The notion of glitter might appear as somewhat frivolous, but scientists are using Sun glitter in images from the Copernicus Sentinel-2 mission to map the motion of the sea surface.
A ‘toast’ to Copernicus Sentinel-2B as it delivers its first images15 March 2017 Just over a week after being lofted into orbit, the European Union’s Sentinel-2B satellite delivered its first images of Earth, offering a glimpse of the ‘colour vision’ it will provide for the Copernicus environmental monitoring programme.